org.apache.commons.collections4.functors
Class ClosureTransformer<T>

java.lang.Object
  extended by org.apache.commons.collections4.functors.ClosureTransformer<T>
All Implemented Interfaces:
Serializable, Transformer<T,T>

public class ClosureTransformer<T>
extends Object
implements Transformer<T,T>, Serializable

Transformer implementation that calls a Closure using the input object and then returns the input.

Since:
3.0
Version:
$Id: ClosureTransformer.java 1477798 2013-04-30 19:49:02Z tn $
See Also:
Serialized Form

Constructor Summary
ClosureTransformer(Closure<? super T> closure)
          Constructor that performs no validation.
 
Method Summary
static
<T> Transformer<T,T>
closureTransformer(Closure<? super T> closure)
          Factory method that performs validation.
 Closure<? super T> getClosure()
          Gets the closure.
 T transform(T input)
          Transforms the input to result by executing a closure.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ClosureTransformer

public ClosureTransformer(Closure<? super T> closure)
Constructor that performs no validation. Use closureTransformer if you want that.

Parameters:
closure - the closure to call, not null
Method Detail

closureTransformer

public static <T> Transformer<T,T> closureTransformer(Closure<? super T> closure)
Factory method that performs validation.

Type Parameters:
T - the type of the object to transform
Parameters:
closure - the closure to call, not null
Returns:
the closure transformer
Throws:
IllegalArgumentException - if the closure is null

transform

public T transform(T input)
Transforms the input to result by executing a closure.

Specified by:
transform in interface Transformer<T,T>
Parameters:
input - the input object to transform
Returns:
the transformed result

getClosure

public Closure<? super T> getClosure()
Gets the closure.

Returns:
the closure
Since:
3.1


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